@article{shu15jsac, 
  author={Yuanchao Shu and Cheng Bo and Guobin Shen and Chunshui Zhao and Liqun Li and Feng Zhao}, 
  journal={IEEE Journal on Selected Areas in Communications}, 
  title={{Magicol: Indoor Localization Using Pervasive Magnetic Field and Opportunistic WiFi Sensing}}, 
  year={2015}, 
  month={July}, 
  volume={33}, 
  number={7}, 
  pages={1443-1457},
}